From fist bumps to singalongs, there was joy in the air as Joe Biden was sworn in as America's 46th president.
A few celebs and politicians were on hand at the Capitol to watch Joe Biden be sworn in as the 46th president.
Biden gave a moving speech on Inauguration Day on Wednesday.
Harris officially becomes Vice President wearing Christopher John Rogers.
Harris is also the country's first Black and Asian American VP.
The country crooner last performed at a presidential inauguration in 2009.
America has a 46th president!
The former first lady Michelle Obama dressed oh so well for the historic occasion in a design by Sergio Hudson.
The singer previously performed the song at the 2016 Super Bowl.
Michelle Obama also posted a moving message to the incoming president.
Tom Hanks will host the 90-minute special.
Lady Gaga and Jennifer Lopez will be performing at Joe Biden's swearing-in ceremony.
ET explores Kamala Harris' love story with her husband, Doug.
ET is breaking down everything you need to know about the stars who will be appearing tomorrow during the Biden-Harris inauguration.